fix: cannot match title when title parser item has regex item.

backend/src/module/downloader/download_client.py

@@ -1,4 +1,5 @@
 import logging
+import re
 
 from .path import TorrentPath
 
@@ -70,9 +71,10 @@ class DownloadClient(TorrentPath):
     def set_rule(self, data: BangumiData):
         data.rule_name = self._rule_name(data)
         data.save_path = self._gen_save_path(data)
+        raw_title = re.escape(data.title_raw)
         rule = {
             "enable": True,
-            "mustContain": data.title_raw,
+            "mustContain": raw_title,
             "mustNotContain": "|".join(data.filter),
             "useRegex": True,
             "episodeFilter": "",